Hi JD,
Before I write it up, why do you need to pause LinkGrabber? I need enough detail to explain it to a developer.
How do you want to request a pause? I don't think the context menu would work. Perhaps the ESC key or a button.
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One way to deal with the link checking is to turn it off in the settings, delete the links you don't want, and then select the links you want to check and use the context menu to request checks (
http://svn.jdownloader.org/issues/show/847). Something similar was recommended in
http://svn.jdownloader.org/issues/show/1130 (there are some diagrams attached to that page).
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One suggestion we have discussed in the forum is to copy the entire post (with Ctrl+C) and let LinkGrabber grab all of the links. Then, paste the clipboard contents into the Comment field (the comment field will hold a lot, but it makes it all one line, so we have a feature request to fix that).
drbits